hex_to_rgb is not true

[viponedream]

rgb = autopy.bitmap.capture_screen().get_color( 1000,50 ) #return an int
autopy.color.hex_to_rgb( hex(rgb) ) # hex to rgb is not right
autopy.color.hex_to_rgb( rgb ) # int to rgb is right now

since so,
why the function call hex_to_rgb? not int_to_rgb?